Home / 6,916.20-10,330.47-4,967.40

Finding the Fourth Proportional to 6,916.20, 10,330.47 and 4,967.40

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Solution

The fourth proportional to 6,916.20, 10,330.47 and 4,967.40 is: 7,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.20 : 10,330.47 = 4,967.40 : x
  2. Step 2: Convert to fraction form
    6,916.20/10,330.47 = 4,967.40/x
  3. Step 3: Cross multiply
    6,916.20x = 10,330.47 × 4,967.40
  4. Step 4: Simplify right side
    6,916.20x = 51,315,576.68
  5. Step 5: Solve for x
    x = 51,315,576.68/6,916.20
  6. Step 6: Final answer
    x = 7,419.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.